Irish rock star Bono (2nd L) of the supergroup U2 poses for a souvenir photograph December 31 with U.S. Army Sergeant John Kohne (L) of San Diego during a visit to an American NATO anti-artillery radar installation overlooking the Bosnian capital. Bono is on a private trip to the city. At right are Specialist Brandon Debinion of Glendora, California and Private First Class Jason Broz of Akron, Ohio

Irish rock star Bono (2nd L) of the supergroup U2 poses for a souvenir photograph December 31 with U.S. Army Sergeant John Kohne (L) of San Diego during a visit to an American NATO anti-artillery radar installation overlooking the Bosnian capital. Bono is on a private trip to the city. At right are Specialist Brandon Debinion of Glendora, California and Private First Class Jason Broz of Akron, Ohio